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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Queen - Mike - Xray

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 24 August 1942 by the Gibbs Gas Engine Co., Jacksonville, FL
  • Launched 5 January 1943
  • Completed and commissioned 16 August 1943
  • She crossed the Atlantic late in the year and spent all of 1944 operating in the English Channel area. After returning to the U.S. in early 1945, the minesweeper went to the Pacific in mid-year, then voyaged onward to Okinawa,
    where she arrived well after Japan's surrender. She served briefly in Japanese and Philippine waters
  • Decommissioned in May 1946
  • Struck from the Naval Register 19 June 1946
  • Transferred to the State Department, Foreign Liquidation Commission in October 1948 and sold
  • Fate unknown.


  • Displacement 270 t.
  • Length 136'
  • Beam 24' 6"
  • Draft 8'
  • Speed 15 kts.
  • Complement 32
  • Armament: One 3"/50 dual purpose gun mount, two 20mm mounts, and two depth charge projectors
  • Propulsion: Two 880bhp General Motors 8-268A diesel engines, Snow and Knobstedt single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    YMS-346 112k At the Norfolk Navy Yard, Portsmouth, Virginia, 14 November 1943.
    U.S. Navy photo NH 98999
    Naval Historical Center

    There is no DANFS history available for YMS-346
    Additional Resources and Web Sites of Interest
    Naval Minewarfare Association
    Association of Minemen
    Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the Auxiliary Motor Minesweeper (YMS) Photo Index

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    This page created and maintained by Joseph M. Radigan (of blessed memory) & Michael Mohl
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